68647434 has 8 divisors (see below), whose sum is σ = 137294880. Its totient is φ = 22882476.

The previous prime is 68647427. The next prime is 68647441. The reversal of 68647434 is 43474686.

It is an interprime number because it is at equal distance from previous prime (68647427) and next prime (68647441).

It is a sphenic number, since it is the product of 3 distinct primes.

68647434 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5720614 + ... + 5720625.

It is an arithmetic number, because the mean of its divisors is an integer number (17161860).

Almost surely, 2^68647434 is an apocalyptic number.

68647434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68647434 is a wasteful number, since it uses less digits than its factorization.

68647434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11441244.

The product of its digits is 387072, while the sum is 42.

The square root of 68647434 is about 8285.3747048640. The cubic root of 68647434 is about 409.4568138952.

The spelling of 68647434 in words is "sixty-eight million, six hundred forty-seven thousand, four hundred thirty-four".